Fireproof structure.



110194.316. PATBNTED JULY 11, 1905: F. L. SAINO.

FIRBPROOF STRUCTURE.

APPLICATION FILED JAN. 23. 1905.

2 SHEETSSHEET 1 m/name;

Wm mow F l. 502/6920 No. 794,316. PATENTED JULY 11, 1905. F. L. SAINO. FIREPROOF STRUCTURE.

APPLICATION FILED JAN. 23. 1905.

2 SHEETS-SHEET 24 UNITED STATES Patented July 11, 1905.

PATENT ()rrrcn.

FIREPROOF STRUCTURE.

SPECIFICATION forming part of Letters Patent No. 794,316, dated July 11, 1905.

Application fil d January 23, 1905. Serial No. 242,318.

To all whom it may concern:

Be it known that I, FELIX LAWERNOE SAINO, a citizen of the United States,residing at Memphis, in the county of Shelby and State of Tennessee, have invented certain new and useful Improvements in Fireproof Structures; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in fireproof structures for doors, window-shutters, and the like.

The object of my invention is to provide a simple and comparatively inexpensive fireproof structure of this character which will not warp when subjected to intense heat.

I/Vith the above and other objects in View the invention consists of certain novel features of construction, combination, and arrangement of parts, as will be more fully described, and particularly pointed out in the appended claims.

In the accompanying drawings, Figure 1 is a side elevation of a fireproof structure in the form of a door constructed in accordance with my invention. Fig. 2 is an edge view of the same. Fig. 3 is an elevation of one end of the door. Fig. 4 is a vertical longitudinal sectional view taken on the line 44 in Fig. 3. Fig. 5 is a vertical transverse sectional view taken on the line 5 5 in Fig. 1, and Fig. 6 is a horizontal sectional view taken on the line 6 6 in Fig. 1.

In the drawings I have illustrated a fireproof door 1 made of a fireproof structure which is constructed in accordance with my invention. The structure is composed of a plurality of sections 2 of substantially rectangular form, arranged side by side in contact with each other with their edges outturned. The sections 2 are similar in construction and each consists of a body or core 3, preferably of wood and in the form of a board or block, an inner covering 4,0f asbestos or other non-combustible material, and an outer covering 5, of metal, preferably sheet metal. The inner covering 1 is preferably in the form of a sheet of asbestos paper wrapped around the side faces and edges of the board or body 3, and the metallic outer covering 5 is preferably formed in two parts or sections 6 6, each of which is of three-sided form and is engaged with one edge of the body or board 3. Referring to Fig. 6, it will be seen that of the sections 6 6 each envelops one edge of the board and terminates in a line coincident with the rod 14, as indicated in dotted line in Fig. 5. The side portions? of the metal coveringsections 6 terminate at the ends of the board or body 3, and the central portions 8 of said sections are formed at their ends with projecting portions 9. These portions 9 are engaged with side flanges 10, which are formed upon metal connecting plates or strips 11, which are arranged upon the ends of the sections 2. As clearly shown in Fig. 5 of the drawings, the portions 9 are bent over the flanges 10, as at 12, and the latter, together with said portions 10, are then bent inwardly upon the outer face of the plate or strip 11. It will be seen that this construction unites the sections 2 into a solidbody; but in order to unite them more securely the ends 13 of the plates or strips 11 are bent inwardly upon the sections 2 at the ends of the door. I preferably further unite the sections 2 by bolts or tierods 14, which extend through the section, as clearly shown in Figs. 4 and 6 of the drawings. The sections 2 at the ends of the door have their outer faces covered, preferably, by a metal plate or strip 15, which has its side edges interlocked, as shown at 16, with the side edges of the metallic coverings 5 upon said sections, as clearly shown in Fig. 5 of the drawings.

It will be seen that a door, window-shutter, or other object constructed as described will not warp or be otherwise affected by the most intense heat. This is due to the arrangement of the sections side by side with their edges outturned and to their covering of asbestos and metal, as will be readily understood.

While I have shown and described the preferred embodiment of my invention, it will be understood I do not wish to be limited to the precise construction herein set forth, since various changes in the form, proportion, and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of this invention.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. A fireproof structure composed of a plurality of united sections placed side by side with their edges outturned, each of said sections consisting of a strip of Wood provided with an inner covering of asbestos or the like and an outer covering of metal, substantially as described.

2. A fireproof structure for doors and the like, comprising a plurality of sections, each consisting of an inner strip or body, an inner covering of asbestos or the like, and an outer covering of metal, said sections being arranged side by side with their edges outturned, and bolts or tie-rods extending through said sections for the purpose of uniting them, substantially as described.

3. A fireproof structure for doors and the like, comprising a plurality of sections, each consisting of an inner strip or body, an inner covering of asbestos or the like and an outer covering of metal having projecting portions at its ends, said sections being arranged side by side with their edges outturned, flanged metallic locking-plates arranged along the ends of said sections and having their side flanges interlocked with the projecting portions of said metallic coverings and tie-rods or bolts extending through said sections, substantially as decribed.

i. A fireproof structure comprising a plurality of sections arranged side by side, and each consisting of a body and a metal covering therefor having projecting portions at its ends, and connecting end plates having side flanges engaged with projecting portions of said metal coverings and bent inwardly to secure said sections together, substantially as described.

5. A fireproof door or the like comprising aseries of sections arranged side byside, and each consisting of a strip of Wood, an inner covering of asbestos or the like and an outer covering of metal formed with projecting end portions, flanged plates or strips arranged along the ends of. said sections and having their ends bent over upon the end sections and their flanges bent inwardly in engagement with the projecting portions of said metal coverings, and bolts or tie-rods passed through said sections, substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

FELIX LAWERNCE SAINO.

Witnesses:

WM. ODONNELL, THOS. JoNEs. 

